package cn.pengpeng.day05.firstMR;

import java.io.IOException;

import org.apache.hadoop.io.IntWritable;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.mapreduce.Reducer;


/**
 * 
 * 
 * 
 * hello --->1 1 1 1 1 1  
 * @author root
 *
 */
public class ReduceTask extends Reducer<Text, IntWritable, Text, IntWritable>{
	
	@Override
	protected void reduce(Text key, Iterable<IntWritable> values,Context context) throws IOException, InterruptedException {
		int count = 0;
		
		for (IntWritable value : values) {
			//2 3 4 ...
			count = count+value.get();
			//count++;
		}
		context.write(key, new IntWritable(count));
	}
	
}
